Remove OnCertDBChanged |cert| parameter.

net/ssl/ssl_client_auth_cache_unittest.cc

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/ssl/ssl_client_auth_cache.h"
 
 #include "base/macros.h"
 #include "base/time/time.h"
 #include "net/cert/x509_certificate.h"
 #include "net/ssl/ssl_private_key.h"
@@ skipping 176 matching lines @@
   scoped_refptr<X509Certificate> cached_cert;
   scoped_refptr<SSLPrivateKey> cached_pkey;
 
   // Demonstrate the set up is correct.
   EXPECT_TRUE(cache.Lookup(server1, &cached_cert, &cached_pkey));
   EXPECT_EQ(cert1, cached_cert);
 
   EXPECT_TRUE(cache.Lookup(server2, &cached_cert, &cached_pkey));
   EXPECT_EQ(nullptr, cached_cert.get());
 
-  cache.OnCertDBChanged(nullptr);
+  cache.OnCertDBChanged();
 
   // Check that we no longer have entries for either server.
   EXPECT_FALSE(cache.Lookup(server1, &cached_cert, &cached_pkey));
   EXPECT_FALSE(cache.Lookup(server2, &cached_cert, &cached_pkey));
 }
 
 }  // namespace net